Closure for mailing-tubes.



No. 758,129. I PATENTED APR. 26, 1904,.

I H. DEL MAR. CLOSURE PORMAILING TUBES.

APPLICATION FILED AUG. 5, 1903.

N0 MODEL.

WITNESSES: INVENTOR.

. ATTORNEY v Patented April 26,1904. I

PATENT OFFICE.

HARRY DEL MAR, OF NEW YORK, N. Y.

CLOSURE FOR MAILING-T BES.

SPECIFICATION forming part of Letters Patent No. 758,129, dated April26, 1904.

Application filed August 6, 1903.

T aZZ 1117710721, [25 may concern:

Be it known that I, HARRY D' EL MAR, of New York, in the county of NewYork and State of for possible mutilationof the contents of the tube.

A particular object of the invention is to provide a closure of the kindset forth that is adjustable, so that it can be made to fit differentsizes of tubes and can therefore be made to always provide a solidresistance to the exit of any of the contents of the mailing-tube.

I have illustrated the device in the accom panying drawings, in whichFigure 1 is aperspective of a mailing-tubeclosing device being insertedin a tube, the tube being shown in dotted outline. Fig. 2 is a centrallongitudinal section of Fig. 1, on a slightly-reduced scale, showing themanner of engagement with thetube. Fig. 3 is a perspective of a modifiedform of Fig. 1; and Figs. 4 and 5 are modifications of Fig. 3, changesbeing mainly in the shape of the article. r

In the drawings similar reference-numerals indicate corresponding partsin each of the several views.

In the form shown in Fig. 1 I have provided a plate 10, which isfurnished on one end with the lip 11, and extending down along thisplate from the lip is a slot 12, the material cut out to furnish theslot forming a tongue 13 and having the strips 1d folded over the backto form a way for a strip 15, that is provided on its end with a tongue16, the tongue 16 be ing on the end opposed to the tongue 13f On the endof the strip is arranged a turnedover portion 17, which is adapted toride in Serial No. 168,440. (No model.)

perforations from the inside of thetube. The

ends of the tongues are pulled sharply through and then bent-toward theend of the tube and around the end and clamped over on the inside. Theseclosures are preferably made of thin flexible metal, such as brass ortin, andare quickly and easily manipulated and secured in place andremoved with despatch.

In Fig. 3 I show a modified form of com struction in which I provide aplate 18, being folded over, as at 19, to form, in conjunction with theturned-over leaves 20, a channel for the two adjustable strips 21. Thesestrips are both adjustable and are provided with the tongues 22, struckup from the body of them and integral therewith, and with the end lips23, which-are adapted to bear against the inner walls of the tube tofurnish means for limiting the outward movement or the extension of theelements of the device. A lip 24 on the inner ends of the strips 21 canbe formed so as to limit the outward movement of the sliding strips 21and also prevent the -accidental withdrawal or the loss and separationof the parts. In this construction I provide an'artiele of the classdescribed that has a larger adjustment, as the arms are adjustable tothe body portion.

In Fig. d is a device similar to the one shown in Fig. 3, but with thepart. 19 bent back over upon itself to stiffen the plate,'and I alsoplace transverse arms 25 integral with the plate 18 and furnish thesearms 25 in turn with the lips 26, in this way providing a wider closureand one adapted to prevent the slipping or issuing of-anything from'themailingtube that might get past a single strip, as shown in Figs. 1 and3. In this construction I employ the usual sliding strips 21, which havethe end lips 23 and the tongues 22, as described before.

In Fig. 5 is shown a still further modified form in which I employ acircular disk 27, which may be provided with the peripheral flanges 28,extending part Way around this disk, being formed with the overlappingparts 29 to form a slot or channel 30 for the sliding of the adjustablearms. In this construction a solid closure is provided, or in case ofalarge tube an approximately tight fit, and the contents of the tube areinsured against any withdrawal While the device is inserted in the endof the tube.

These modifications are employed and secured into and withdrawn from thetube in the same manner as the construction shown in Fig. 1. In theseconstructions I have provided an article of the class described that hasa range of usefulness not approached by other devices of this class onaccount of the adjustable feature of my construction,-by which it isadapted to be fitted into tubes of largelyvarying diameters.

Having thus fully described my invention, I claim as new and desire tosecure by Letters Patent 1; A closure for mailing-tubes comprising aplurality of members slidable in relation to each other, means forguiding the sliding parts,

and flexible tongues produced on the opposed ends of the members andadapted to be thrust through the sides of the mailing-tubes and foldedover upon the tube. 1

2. A closure for mailing-tubes comprising a plurality of membersextensible longitudinally in relation to each other, means for guidingthe members, lips on the outer ends of the device adapted to abut withthe walls of the mailing-tube, and flexible tongues produced on the endportions of the device and arranged to extend through the walls of themailing-tube and be bent over upon the same.

3. A mailing-tube closure comprising a body portion, transverse arms onthe body portion, said bqdy portion being bent to form a channel,members arranged to slide in the channel in the body portion, and meansfor securing the ends of the members to a mailing-tube.

4. A mailing-tube closure comprising a circular body portion, said bodyportion being bent to form a diametrically-arranged channel, membersarranged to slide in said channel, and means for securing the slidingmem bers to the walls of a mailing-tube.

HARRY DEL MAR.

Witnesses:

WM. H. GANFIELD, J. (3r. DUNBAR.

